EP4463618A1 - Dispositif apte a etre monte sur un reservoir d'huile d'une turbomachine d'aeronef, ensemble de fourniture d'huile, et procede d'utilisation associes - Google Patents
Dispositif apte a etre monte sur un reservoir d'huile d'une turbomachine d'aeronef, ensemble de fourniture d'huile, et procede d'utilisation associesInfo
- Publication number
- EP4463618A1 EP4463618A1 EP23700600.2A EP23700600A EP4463618A1 EP 4463618 A1 EP4463618 A1 EP 4463618A1 EP 23700600 A EP23700600 A EP 23700600A EP 4463618 A1 EP4463618 A1 EP 4463618A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lever
- projection
- plug
- inlet
- occupies
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/04—Filling or draining lubricant of or from machines or engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
- F01D25/20—Lubricating arrangements using lubrication pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M2011/0491—Filing cap with special features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/98—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/02—Turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/08—Aircraft
Definitions
- Device capable of being mounted on an oil tank of an aircraft turbine engine, oil supply assembly, and associated method of use
- the present invention relates to a device suitable for being mounted on an oil tank of an aircraft turbine engine.
- the present invention also relates to an oil supply assembly comprising at least one such device.
- the present invention further relates to a method of using such a device.
- Known aircraft engines include many components which must be lubricated in order to operate efficiently. As such, engines include oil reservoirs containing oil to lubricate engine components, such as gearboxes. EP 3 399 164 describes such an oil tank.
- the adapter In order to supply oil to an engine, a person generally pours oil into the oil tank of the engine, via an adapter placed on the inlet of the oil tank.
- the adapter comprises two seals, a primary seal called “cap” between the adapter and the outside of the adapter, and a secondary seal called “flapper” between the adapter and the oil tank.
- An adapter cavity is located between these two seals.
- An object of the invention is to help open the cap of an aircraft turbomachine oil tank.
- the invention proposes to counter the depression in the cavity of the adapter, and to allow easy cap opening with limited force.
- the subject of the invention is a device suitable for being mounted on an oil tank of an aircraft turbomachine, comprising:
- a cap movably mounted on the device inlet and configured to assume: o a venting position in which fluid is able to enter the channel through the device inlet, and o a venting position closure in which the plug completely closes the device inlet;
- the device inlet comprising a projection and in that the device comprises a lever connected to the cap;
- the lever comprising a bearing elbow capable of bearing on the projection and pivoting around the projection between a projection contact position and a lifting position; the cap being in the closed position when the lever occupies its projection contact position, the cap being in the venting position when the lever occupies its lifting position; and the lever moving the cap from its closed position to its vented position during its pivoting from the projection contact position to the lift position.
- the lever is movable between a rest position and the projection contact position, the lever being away of the projection when it occupies the rest position, the plug being in the closed position when the lever occupies the rest position.
- the projection comprises an orifice
- the stopper comprises a closure pin capable of entering the orifice so as to block the stopper in its closed position; when the lever is in its rest position, the locking pin being inserted into the hole; when the lever occupies its projection contact position, the closing pin being away from the orifice; and the rotation of the lever from its rest position to its projection contact position being configured to withdraw the closure pin from the orifice.
- the lever is fixed to the closure pin by a lever pivot, the lever being capable of pivoting around the lever pivot between its rest and projection contact positions.
- the lever comprises a short arm extending between the support elbow and the lever pivot, the short arm having a first length, and a long arm forming a handle and extending over a second length from the bearing elbow, the second length being at least three times greater, advantageously five times greater, than the first length between the bearing elbow and the lever pivot.
- the inside of the device is configured to be depressurized when the plug is in its closed position.
- the device comprises a filter disposed in the channel between the plug and the device outlet.
- the invention also relates to an oil supply assembly, comprising an oil reservoir having a reservoir inlet and at least one device as described above, the device outlet being connected to the tank inlet.
- the invention also relates to a turbomachine comprising an oil supply assembly as described above.
- the invention also relates to an aircraft comprising at least one turbine engine as described above.
- the invention further relates to a method of using a device as described above, comprising the following steps:
- FIG. 1 is a schematic view of an oil tank inlet with a device according to the invention mounted on the tank inlet,
- FIG. 2 is a schematic sectional view of a device according to the invention, with the cap in the closed position, and the lever in the rest position,
- - Figure 3 is a schematic sectional view of a device according to the invention, with the cap in the closed position, and the lever in an intermediate position between the rest position and the projection contact position
- - Figure 4 is a schematic sectional view of a device according to the invention, with the cap in the closed position, and the lever in the projection contact position
- FIG. 5 is a schematic sectional view of a device according to the invention, with the plug in the venting position, and the lever in the lifting position.
- FIG. 1 shows a supply assembly 10 of oil.
- the oil supply assembly 10 comprises an oil tank 12 and at least one device 14 mounted on the oil tank 12.
- the oil tank 12 has a tank inlet 18.
- the device 14 is connected to the tank inlet 18.
- the device 14 according to the invention is in particular an adapter mounted on an oil tank.
- the adapter is notably configured to guide oil from an external container that contains oil to the oil reservoir when pouring oil.
- the plug 38 is also able to move to an open position which is beyond its venting position. In the open position the plug 38 is totally away from the device inlet 22. According to one embodiment, the plug 38 in its open position abuts against an edge surrounding the device inlet 22 so that the plug 38 is held in the open position without user intervention. The open position of plug 38 allows the user to pour oil through the entire inlet section of device 22.
- the cap 38 comprises a closure pin 34.
- the closure pin 34 is movable.
- the closure pin 34 is movable substantially perpendicular to the channel 26.
- the closure pin 34 is adapted to enter the orifice 32, as shown in Figures 2 and 3, from so as to block the stopper 38 in its closed position 100.
- the filter 44 has a substantially hemispherical shape with its dome extending away from the plug 38. This shape is particularly suitable for preventing particles from the inlet of device 22 to reach the output of device 24.
- the device 14 also comprises a lever 48 connected to the plug 38.
- the lever 48 is connected to the plug 38 by the lever pivot 40.
- Figure 2 shows the lever 48 in its rest position 200
- Figure 4 shows the lever 48 in its projection contact position 201
- Fig. 5 shows lever 48 in its raised position 202.
- the lever 48 comprises a bearing elbow 52 capable of bearing against the projection 30.
- the lever 48 comprises a short arm 54 extending between the bearing elbow 52 and the lever pivot 40, and having a first length 56.
- the lever 48 has a lever end 58 free and opposite the support elbow 52. It is provided so that a user exerts a force there to open the device 14.
- the lever 48 comprises a long arm 60 s' extending between bearing elbow 52 and lever end 58, and having a second length 62. This second length 62 is at least three times, preferably five times, greater than first length 56 of short arm 54. In other words , the lever 48 has a mechanical advantage greater than 3, preferably greater than 5. [0044] Referring to Figures 2 to 4, the lever 48 is able to pivot around the lever pivot 40 between a rest position 200 (shown in Figure 2) and a projection contact position 201 (shown in Figure 4).
- the lever 48 is capable of occupying a plurality of intermediate positions (one of which is illustrated in FIG. 3) between its rest position 200 and its projection contact position 201 .
- the lever 48 occupies the rest position 200
- the lever 48 in particular the bearing elbow 52, is away from the projection 30.
- the plug 38 is at the closed position 100.
- the closure pin 34 is inserted into the orifice 32.
- a potential movement of the cap 38 from its closed position 100 to its position vent 101 is prevented by the cooperation of the closure pin 34 with the orifice 32.
- device 14 comprises a spring (not shown in the figures) configured to hold lever 48 in its rest position when the pivoting force exerted on lever 48 is below a threshold.
- the spring is for example arranged between the cap 38 and the closing pin 34.
- the cap 38 occupies its closed position 100, and the lever 48 is in the rest position 200.
- the closure pin 34 is inserted into the hole 32.
- Device inlet 22 is closed off by plug 38 so that no fluid is able to enter or exit channel 26.
- the resistive force during the pivoting of lever 40 between its rest position 200 and its projection contact position 201 is mainly the friction between the lever 48 and the closure pin 34 at the position of the lever pivot 40 , and the friction between the closure pin 34 and the orifice 32.
- the resistance force during the pivoting of the lever 40 from its rest position 200 to its projection contact position 201 further comprises the force reminder on the lever 48 to its rest position.
- the bearing elbow 52 rests on the projection 30.
- the user exerts a force on the lever 48, advantageously on the end of the lever 58, to counter the resistance force.
- the resistive force during the pivoting of lever 48 between its projection contact position 201 and its lifting position 202 is mainly the vacuum inside the device 14 relative to the outside of the device 14.
- the force related to this depression is higher compared to the friction on the lever 48 during the pivoting of the lever 40 between its rest position 200 and its projection contact position 201 . Thanks to the use of the lever 48, the force required to open the cap 38 is much smaller compared to when opening the cap 38 directly without using the lever 48.
- the invention relates to an adapter placed on the inlet of an oil tank 12 of an aircraft engine.
- the adapter includes a cap 38 between the adapter and the outside, and a "flapper" between the adapter and the oil tank.
- An adapter cavity 26, located between them, is placed under vacuum during flights. When the aircraft is back on the ground, this depression must be countered to open the cap, which can make the opening operation difficult.
- the invention proposes, thanks to a lever 48, to counter the depression in the cavity of the adapter, and to allow easy cap opening with limited force.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Closures For Containers (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE20225019A BE1030186B1 (fr) | 2022-01-13 | 2022-01-13 | Dispositif apte a etre monte sur un reservoir d'huile d'une turbomachine d'aeronef, ensemble de fourniture d'huile, et procede d'utilisation associes |
| PCT/EP2023/050221 WO2023135060A1 (fr) | 2022-01-13 | 2023-01-06 | Dispositif apte a etre monte sur un reservoir d'huile d'une turbomachine d'aeronef, ensemble de fourniture d'huile, et procede d'utilisation associes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4463618A1 true EP4463618A1 (fr) | 2024-11-20 |
| EP4463618B1 EP4463618B1 (fr) | 2026-03-04 |
Family
ID=79730615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23700600.2A Active EP4463618B1 (fr) | 2022-01-13 | 2023-01-06 | Dispositif apte a etre monte sur un reservoir d'huile d'une turbomachine d'aeronef, ensemble de fourniture d'huile, et procede d'utilisation associes |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12410735B2 (fr) |
| EP (1) | EP4463618B1 (fr) |
| CN (1) | CN118510981A (fr) |
| BE (1) | BE1030186B1 (fr) |
| WO (1) | WO2023135060A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1030186B1 (fr) * | 2022-01-13 | 2023-08-16 | Safran Aero Boosters | Dispositif apte a etre monte sur un reservoir d'huile d'une turbomachine d'aeronef, ensemble de fourniture d'huile, et procede d'utilisation associes |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1879205A (en) * | 1931-12-08 | 1932-09-27 | Gunn Damon Mott | Valve closure |
| US3157322A (en) * | 1961-09-14 | 1964-11-17 | Nibot Corp | Dispensing unit and method of producing the same |
| US4373561A (en) * | 1980-07-31 | 1983-02-15 | Berger Juergen | Sump oil draining and collecting device |
| US4337657A (en) * | 1980-08-11 | 1982-07-06 | Morris Benny G | Oil level gauge |
| US4286727A (en) * | 1980-08-19 | 1981-09-01 | United Technologies Corporation | Tank cap |
| US4509567A (en) * | 1983-05-02 | 1985-04-09 | General Motors Corporation | Oil filter and cap |
| US4703867A (en) * | 1986-06-02 | 1987-11-03 | International Technology, Inc. | Oil filler funnel and cap |
| US4886182A (en) * | 1989-05-26 | 1989-12-12 | Chrysler Motors Corporation | Fuel filler assembly |
| ES2086107T3 (es) * | 1992-08-07 | 1996-06-16 | Cherng Bing Jye | Tapon de deposito de combustible accionado por motor para automoviles. |
| CA2127396A1 (fr) * | 1993-07-05 | 1995-01-06 | Marc Dumas | Dispositif verseur avec dispositif d'arret incorpore |
| DE19650194C1 (de) * | 1996-12-04 | 1998-04-02 | Daimler Benz Ag | Vorrichtung zur Füllstandsbegrenzung in einem Kraftstofftank |
| KR19980049624U (ko) * | 1996-12-30 | 1998-10-07 | 추호석 | 철도차량용 연료탱크의 마개 |
| GB2380992B (en) * | 2001-10-22 | 2005-04-27 | Risbridger Ltd | Float operated overfill protection device |
| US6926121B2 (en) * | 2002-10-04 | 2005-08-09 | Pratt & Whitney Canada Corp. | Oil filter cap with ball valve anti-sticking device |
| US8464764B1 (en) * | 2009-12-07 | 2013-06-18 | Brunswick Corporation | Fuel system ullage float assembly |
| US20120097482A1 (en) * | 2010-10-22 | 2012-04-26 | Briggs & Stratton Corporation | System for checking oil level |
| US9371743B2 (en) * | 2013-02-21 | 2016-06-21 | United Technologies Corporation | Cap drain plug |
| BE1025191B1 (fr) | 2017-05-03 | 2018-12-06 | Safran Aero Boosters S.A. | Reservoir a sonde de niveau d’huile pour turbomachine |
| US20180320569A1 (en) * | 2017-05-04 | 2018-11-08 | The Boeing Company | Oil filling assembly, system, and method |
| CN208093319U (zh) * | 2018-03-09 | 2018-11-13 | 漳州龙文区卡慧仑信息技术有限公司 | 一种变压器的油箱盖 |
| US10975740B2 (en) * | 2019-07-02 | 2021-04-13 | Pratt & Whitney Canada Corp. | Aircraft engine oil filler apparatus |
| BE1030186B1 (fr) * | 2022-01-13 | 2023-08-16 | Safran Aero Boosters | Dispositif apte a etre monte sur un reservoir d'huile d'une turbomachine d'aeronef, ensemble de fourniture d'huile, et procede d'utilisation associes |
-
2022
- 2022-01-13 BE BE20225019A patent/BE1030186B1/fr active IP Right Grant
-
2023
- 2023-01-06 CN CN202380016372.0A patent/CN118510981A/zh active Pending
- 2023-01-06 US US18/725,595 patent/US12410735B2/en active Active
- 2023-01-06 WO PCT/EP2023/050221 patent/WO2023135060A1/fr not_active Ceased
- 2023-01-06 EP EP23700600.2A patent/EP4463618B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP4463618B1 (fr) | 2026-03-04 |
| BE1030186B1 (fr) | 2023-08-16 |
| US12410735B2 (en) | 2025-09-09 |
| BE1030186A1 (fr) | 2023-08-10 |
| US20250067200A1 (en) | 2025-02-27 |
| CN118510981A (zh) | 2024-08-16 |
| WO2023135060A1 (fr) | 2023-07-20 |
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